GPT-5.1 Codex (High) vs Phi-4

GPT-5.1 Codex (High) vs Phi-4. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricGPT-5.1 Codex (High)Phi-4Difference
Intelligence (higher is better)23.75.9−75.1% Phi-4 is 75.1% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)11.21s14.78s+31.8% Phi-4 is 31.8% slower
Price per 1M tokens (in / out)$1.25 / $10.0$0.13 / $0.50
Input modalitiesText, ImageText
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1-codex/phi-4 · Markdown: /api/v1/compare/gpt-5-1-codex/phi-4?format=md · llms.txt · agent skill